java.lang.Class.isEnum() java.lang.Class.isAssignableFrom() java.lang.Class.isInstance() java.lang.Class.isEnum() package com.codingdict; import java.lang.*; // enum showing programming languages enum Language { C, Java; } public class ClassDemo { public static void main(String args[]) { // returns the name and hashCode of this enum constant System.out.print("Programming in " + Language.C.toString()); System.out.println(", Hashcode = " + Language.C.hashCode()); System.out.print("Programming in " + Language.Java.toString()); System.out.println(", Hashcode = " + Language.Java.hashCode()); System.out.println(Language.class.isEnum()); } } java.lang.Class.isAssignableFrom() java.lang.Class.isInstance()